The role of audio amplifier.Professional conference room speakers

　　Its role is mainly to amplify the weakened signal of the sound source equipment, generate sufficient current to push the speaker to replace the sound. Due to the considering power, impedance, distortion, dynamics, and different use scope and control adjustment functions, different amplifiers are different in the internal signal processing, line design and production process.

　　According to the different use components, the amplifier also has a "bile machine" [electronic pipe power amplifier], "stone machine" [crystal pipe amplifier], "IC amplifier" [integrated circuit amplifier]. In recent years, the use of new concepts in the biliary machine has made the ancient vacuum device this ancient vacuum device brilliant. Its beautiful sound has made many enthusiasts down. Almost all senior enthusiasts have one. "IC amplifier" is rarely seen in Hi-Fi power amplifier because his sound is not as good as his tone.

　　The power amplifier can be roughly divided into three categories of "professional amplifiers", "civilian power amplifier" and "special amplifier".

　　"Professional amplifiers" are generally used in conferences, performances, halls, halls, fields, museums. The design is based on the large output power, the protection circuit is perfect, and the good heat dissipation is the main. The sound of most "professional amplifiers" is used for HI-Fi replacement, and the sound is dry and impatient.

　　The detailed classification of "civil amplifiers" also has "Hi-Fi power amplifier", "AV amplifier", "Kalaok power amplifier", and the so-called "comprehensive amplifier" that integrates various common functions.

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